增加markdown支持。

This commit is contained in:
2026-07-28 15:51:54 +08:00
parent 98161a2fe8
commit 21be62fa7c
15 changed files with 353 additions and 6 deletions
+31
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@@ -0,0 +1,31 @@
package utils
import (
"bytes"
"html/template"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/extension"
goldmarkhtml "github.com/yuin/goldmark/renderer/html"
)
// markdownEngine 全局 Markdown 渲染引擎
// 启用 GFM 扩展(表格、删除线、任务列表、自动链接等)
// 启用 WithUnsafe 允许原始 HTML 透传,兼容旧文章中的 HTML 内容
var markdownEngine = goldmark.New(
goldmark.WithExtensions(extension.GFM),
goldmark.WithRendererOptions(
goldmarkhtml.WithUnsafe(),
goldmarkhtml.WithHardWraps(),
),
)
// RenderMarkdown 将 Markdown 文本渲染为 HTML
func RenderMarkdown(source string) template.HTML {
var buf bytes.Buffer
if err := markdownEngine.Convert([]byte(source), &buf); err != nil {
// 渲染失败时原样返回,避免页面空白
return template.HTML(source)
}
return template.HTML(buf.String())
}
+26
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@@ -0,0 +1,26 @@
package utils
import (
"strings"
"testing"
)
func TestRenderMarkdown(t *testing.T) {
// Markdown 语法渲染
out := string(RenderMarkdown("# 标题\n\n**加粗** 和 `代码`"))
if !strings.Contains(out, "<h1>标题</h1>") || !strings.Contains(out, "<strong>加粗</strong>") || !strings.Contains(out, "<code>代码</code>") {
t.Errorf("Markdown 渲染结果不符合预期: %s", out)
}
// GFM 表格
out = string(RenderMarkdown("| a | b |\n| --- | --- |\n| 1 | 2 |"))
if !strings.Contains(out, "<table>") {
t.Errorf("GFM 表格未渲染: %s", out)
}
// 兼容旧文章的 HTML 内容
out = string(RenderMarkdown("<div class=\"old\"><p>旧的HTML内容</p></div>"))
if !strings.Contains(out, "<div class=\"old\">") {
t.Errorf("HTML 内容未透传: %s", out)
}
}
+1
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@@ -22,6 +22,7 @@ func templateFuncs() template.FuncMap {
"html": func(s string) template.HTML {
return template.HTML(s)
},
"markdown": RenderMarkdown,
}
}